Das, B. M. (1997). Principles of geotechnical engineering (4.). International Thomson Publishing company.
Chicago Stili AlıntıDas, Braja M. Principles of Geotechnical Engineering. 4. Boston: International Thomson Publishing company, 1997.
MLA AlıntıDas, Braja M. Principles of Geotechnical Engineering. 4. International Thomson Publishing company, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..